feat: Add Claude settings to restrict access to sensitive files

.claude/settings.json

@@ -0,0 +1,12 @@
+{
+  "permissions": {
+    "deny": [
+      "Read(./.env)",
+      "Read(./secrets/**)",
+      "Read(./config/credentials.json)",
+      "Read(./build)",
+	  "Read(./**.xml)",
+	  "Read(./embeddings**)"
+    ]
+  }
+}